TY - BOOK AU - Andersen, Dick AU - Cobb, Douglas Ford TI - 1-2-3 tips, tricks, and traps SN - 981-3091-51-7 U1 - 005.15 AN2 PY - 1986/// CY - Singapore PB - : Tech Publications, KW - Computer science KW - | Worksheet - Design KW - | Worksheet - Using KW - | Re calculation KW - | Graphics ER -